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PL
Celem badań było określenie powiązań pomiędzy cenami zbóż i żywca wieprzowego w Polsce a cenami na wybranych rynkach zagranicznych. Stwierdzono zmniejszenie się różnic w poziomie cen pomiędzy rynkiem polskim a rynkami krajów UE i zwiększenie różnic w stosunku do amerykańskiego rynku zbóż. Testy przyczynowości i analiza VAR wskazują na silne oddziaływanie cen zagranicznych na ceny w Polsce.
EN
Price linkages between the Polish and foreign markets of grains and pork were investigated in the paper. The analysis indicates a decrease in price differences between the Polish and the EU markets and their increase between the Polish and the US markets. Causality tests and VAR models indicate a strong influence of foreign prices on the Polish markets.
PL
W artykule przedstawiono zmiany na międzynarodowym rynku oleistych w okresie upowszechniania odmian zmodyfikowanych genetycznie. Pomimo odmiennych regulacji krajowych rynku GMO poziom obrotów międzynarodowych oleistymi szybko wzrastał. Stwierdzono jednak osłabienie związków przyczynowych pomiędzy europejskimi cenami oleistych a cenami soi w USA.
EN
The paper presents changes in the international oilseeds market during the period of genetically modified varieties dissemination. Despite differing countries’ regulations the international oilseeds market grew rapidly. There was found weakening causal relationships between European oilseed prices and US soya prices, however.
EN
The 1990s were the period of dynamic development of trade in agricultural products sold under futures contracts. In global terms growth in this trade was uneven and related mostly to selected products, especially those that play the most important role in international exchange. At present the two main centers for futures contracts are: the North American market and the Far Eastern market. This edge gives the two centers greater possibilities and strength to exert influence on the functioning of the world agricultural markets and may ensure a privileged position to companies from the two regions, which engage in production processing and trade.
EN
The purpose of this study is to provide evidence on the relationships between prices of some agricultural products in Poland, Germany and France. The study is based on monthly price series of wheat, barley and milk. Findings show an existence of causal relationships between investigated markets, especially wheat markets. Results for the period 1995-2000 generally tend to show a lower degree of price transmission compared to the period 2001-2005, as might be expected.
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